Device name: Gray iron fan Industry: China It can be used as an exhaust fan for kitchens or rooms Device specifications: 1. Distributes heat and humidity inside the incubator 2. Or draws and renews air inside the room 3. Size 40*40 4. Electricity 220 volts Device uses: 1. Incubators and hatcheries 2. Brooding rooms, breeding rooms, and incubator rooms